linux-kernel - Re: [PATCH] sysctl: kselftests: use kernel module instead of built-in

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Date:   Wed, 5 Sep 2018 10:47:54 -0600
From:   Shuah Khan <shuah@...nel.org>
To:     Lei Yang <Lei.Yang@...driver.com>, mcgrof@...nel.org,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
        Shuah Khan <shuah@...nel.org>
Subject: Re: [PATCH] sysctl: kselftests: use kernel module instead of built-in

On 09/04/2018 08:20 PM, Lei Yang wrote:
> It uses modprobe $TEST_DRIVER in sysctl.sh, so update
> config to use "m" instead
> 
> Signed-off-by: Lei Yang <Lei.Yang@...driver.com>
> ---
>  tools/testing/selftests/sysctl/config | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/testing/selftests/sysctl/config b/tools/testing/selftests/sysctl/config
> index 6ca1480..fc263ef 100644
> --- a/tools/testing/selftests/sysctl/config
> +++ b/tools/testing/selftests/sysctl/config
> @@ -1 +1 @@
> -CONFIG_TEST_SYSCTL=y
> +CONFIG_TEST_SYSCTL=m
> 

What happens if it is a built-in? Can you elaborate in the changelog

On that note we might have other cases that do modprobe in scripts and
run into the same issue you are trying to solve. :)

thanks,
-- Shuah